Emission Applications

1995 Buick (Domestic Cars)

Engine & Fuel System

⁽¹⁾ Emission Control Systems & Devices

⁽²⁾ EGR Test No.

2.2L (133") 4-Cyl. MFI

PCV, EVAP, TWC, FR, ⁽³⁾ BP/EGR, ⁽³⁾ SPK, O2S, CEC, MIL
EVAP-VC, EVAP-CPCS, ⁽³⁾ BP/EGR-CS, SPK-EST

2.3L (140") 4-Cyl. MFI

PCV, EVAP, TWC, FR, ⁽³⁾ SPK, O2S, CEC, MIL
EVAP-VC, ⁽³⁾ EVAP-CPCS, ⁽³⁾ SPK-ESC, ⁽³⁾ SPK-EST

...

3.1L (191") V6 SFI

PCV, EVAP, TWC, FR, ⁽⁶⁾ ⁽³⁾ EGR, ⁽³⁾ SPK, HO2S, CEC, MIL
EVAP-VC, ⁽³⁾ EVAP-CPCS, ⁽⁵⁾ EVAP-TPCV, ⁽³⁾ SPK-ESC, ⁽³⁾ SPK-EST

3.8L (231") V6 SFI

PCV, EVAP, TWC, FR, ⁽³⁾ ⁽⁴⁾ EGR, ⁽³⁾ SPK, HO2S, CEC, MIL
EVAP-VC, ⁽³⁾ EVAP-CPCS, ⁽⁵⁾ EVAP-TPCV, ⁽³⁾ SPK-ESC, ⁽³⁾ SPK-EST

5.7L (350") V8 SFI

PCV, EVAP, TWC, FR, ⁽³⁾ BP/EGR, ⁽³⁾ SPK, ⁽⁷⁾ AP, HO2S, CEC, MIL
EVAP-VC, ⁽³⁾ EVAP-CPCS, EVAP-TPCV, ⁽³⁾ BP/EGR-CS, ⁽³⁾ SPK-ESC, ⁽³⁾ SPK-EST, ⁽⁷⁾ AP-EAP, ⁽⁷⁾ AP-CKV, AP-ERLY

2 or 3

⁽¹⁾	Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.

⁽²⁾	See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number.

⁽³⁾	ECM/PCM controlled.

⁽⁴⁾	Linear EGR valve.

⁽⁵⁾	In fuel tank.

⁽⁶⁾	Digital EGR valve.

⁽⁷⁾	If TSB #01-06-04-011 has been performed, air pump has been disabled.